Найдите корень уравнения 4(x-6)=x-9;2)6-3(x+1)=7-2x;3)(8x+3)-(10x+6)=9;3)(8x+3)-(10x+6)=9

Question

Найдите корень уравнения 4(x-6)=x-9;2)6-3(x+1)=7-2x;3)(8x+3)-(10x+6)=9;3)(8x+3)-(10x+6)=9

Answer 1

1. 4х-24=х-9
4х-х=-9+24
3х=15
х=15/3=5
2. 6-3х-3=7-2х
-3х+2х=7-1+3
-х=9
х=-9
3. 8х-3-10х-6=9
8х-10х=9+3+6
-2х=18
х=-9